Glazing Repair - How to Repair a Cracked Window
Glazing can have a major impact on the efficiency of your house. This is especially important in older double-glazed windows.
While it is possible to change the glazing points while the window is in position, it is simpler and quicker if the glass and frame are removed. This is also a good opportunity to change the gaskets made of rubber.
Broken Glass
Glass that is cracked isn't just ugly but can also let valuable heat and sunlight escape from your home. It's usually possible to fix a broken window pane without the need for a complete replacement.
Wear safety glasses and gloves. You should also place a piece of tape in an "X" shape on the glass you plan to remove (duct or painter's tape works well). This will stop any broken glass from falling onto you as you work.
Cover a small scratch on your window glass using tape to keep water, insects and wind out. If the crack is superficial just a single strip of tape will suffice. However should the weather be likely to get worse before you can replace the window, you may prefer a sturdy plastic cover such as a trash bag or tarp.
Make use of a strong adhesive specifically designed for windows to repair cracks. Loctite Super Glue Glass is a good choice. This high-tech glue is made to adhere to glass and then dries crystal clear for a perfect finish. Apply it to the crack in the glass and allow it to dry completely before applying a new layer.
Stress cracks are a different issue that can occur to your glass window. They're typically caused by dramatic changes in temperature, and can spread quickly across the entire glass window if they aren't treated. To prevent stress fractures using a glass cutter, you need to cut a small arc close to the crack. This will stop the crack from spreading and can reduce the size by a day or so.
If you're replacing a broken window, measure the frame for the new pane. It should be slightly smaller than the opening to allow for expansion and contraction and to compensate for any imperfections in the frame or glass. Once you've cut your glass to size, apply glaziers' compound around the edges of both the frame and the glass. Once the compound is dry, paint over it to match the rest of the frame.
Condensation inside of Double Glazed Windows
The appearance of condensation on the interior of double-glazed windows typically indicates that a seal has broken somewhere in the window unit. This is an important issue because it indicates that the heat that is coming from your home is being lost through the window, and can be costly for you and your energy bills.
Double glazing has been designed to block heat transfer between the two glass panes by sandwiching a layer air or vacuum between them. This creates a seal that stops warm air from venting. However, if the glass is cold or colder than the frame, condensation will build up on it, which can damage the window. If you have condensation on your double glazed window that you are unable to eliminate it by opening the windows using extractor fans, using dehumidifiers, or by trickle venting, you might need to call in an expert.
Condensation on the outside of double-glazed windows is rare, but it can occur when the seal has started to weaken between the glass and the window frame. This is more frequent in winter when the temperature is lower, making it easier for condensation to develop. This is due to an issue in the spacer that is used between the frame and the window. The spacer usually contains desiccant that is highly absorptive and absorbs excess moisture.
This can lead to moisture leaking into the gap once the desiccant is saturated. This can lead to condensation and water in the gap and is very difficult to get rid of.

Most reputable window companies offer a warranty and will replace the glass and unit of a window if it's damaged by condensation. Report any problems as soon as you can to the window manufacturer so that the condensation is repaired as quickly as it can to avoid further damage.
Shattering Window Glass
A cracked window pane is more than an aesthetic problem. It can also pose a safety risk, especially when it's spreading. It's best to have it repaired as soon as you can. double glazing repair are available for vehicle windows which you can purchase online or in many auto repair shops. You can also make use of a glazing compound formulated for use at home that can be found in a lot of hardware and home improvement stores.
Before starting any work, wear thick gloves that are cut-proof and safety glasses. You can then sweep the area to eliminate large shards. You'll also want to remove any chips that have fallen. This will stop them from cutting yourself or a glass repair technician in the future.
It's a good idea to work on a ladder instead of standing on the ground. This will allow you to reach all parts of the frame more easily and also protect you from glass falling. Before you start it's best to clean the rabbet. This is the area that glass is placed. Apply a coat linseed to the rabbet and wipe it clean. This will aid in helping the putty stick.
After the frame has been cleaned and the rabbet prepared, it is time to prepare the replacement pane. Order a piece of double strength glass that is 1/8 inch smaller in both directions. You'll need to purchase glass points, which is a metal triangle that keeps the glass in place.
After removing the window sash, use a flat pry-bar to carefully pry the sash off of the wood moulding. It is possible to scrape old glazing off with a utility blade or chisel. Then make use of the heat gun to warm any putty that won't easily be removed. This will make it easier to remove.
When the frame is out of the molding then carefully press the glass in its place. Fill in the gaps with either a glazier's tipped or a knife. After the putty dries paint it in a manner that matches the frame. Lap the paint slightly over the edge of the compound, then onto the glass to seal it completely.
Replacement Window Glass
Wear eye protection and gloves when replacing a damaged pane of glass. Tape the window's edge to prevent it from breaking when you remove it.
Use a utility blade to remove the old glazing compound from the frame and glazing points (small triangles of metal). Clean the frame opening, and then apply a layer of linseed to aid in adhering the new putty better.
Once the frame is constructed, take measurements to determine the dimensions of the new windowpane. Then, you can purchase it at a home improvement store or another retailer. Make sure you order the pane at least 1/6th inch smaller in each direction than your measurement to allow for an ideal fit.
It's easier than you think to install the new window. But, it's important to follow the instructions that are provided by the manufacturer in order to ensure a good fit and a long-lasting replacement pane. Use a wire brush to rid the frame opening of any old paint or wood gunk and then sand it down to bare wood to enhance the seal between the sash and frame.
When you are putting the new window in place, use the tip of your putty knife to gently place the window on the wood frame. The glazier's tips should be pressed into the frame every six inches. This will help hold the new pane securely in position.
After the frame has cured and the joint is painted, you can paint it multiple times to match the frame. Let the paint completely dry before you begin cleaning and maintaining your window. Maintaining your windows in good condition, and functioning correctly will prolong their useful lives and improve the efficiency of your home's energy usage. You may want to replace your windows if they are old or in poor condition. If you choose to go this option, we suggest you choose a high-quality, insulated window that will reduce the cost of your utility costs. The type of window you choose will also influence the total cost of your project.